Olopatadine
Olopatadine
Olopatadine (pronounced oh-loh-PAT-uh-deen) is a type of antihistamine and mast cell stabilizer used in the treatment of allergic conjunctivitis and allergic rhinitis. It is available in eye drop form as well as a nasal spray.
Etymology
The term "Olopatadine" is derived from its chemical name, which is 11-[(Z)-3-(dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid. The name is a combination of parts of this chemical name.
Usage
Olopatadine is used to relieve symptoms of allergic conjunctivitis such as redness, itching, and watering of the eyes. It is also used to relieve symptoms of allergic rhinitis such as runny nose, sneezing, and itching of the nose.
Mechanism of Action
Olopatadine works by blocking the action of histamine, a substance in the body that causes allergic symptoms. It also stabilizes mast cells, which are cells that release substances during an allergic reaction.
Related Terms
- Antihistamine: A type of drug that blocks the action of histamine in the body.
- Mast cell stabilizer: A type of drug that prevents the release of substances from mast cells during an allergic reaction.
- Allergic conjunctivitis: An allergic reaction that causes inflammation of the conjunctiva, the thin layer of tissue that covers the front of the eye.
- Allergic rhinitis: An allergic reaction that causes inflammation of the inside of the nose.
External links
- Medical encyclopedia article on Olopatadine
- Wikipedia's article - Olopatadine
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